.middle {
  padding: 10px 20px;
  color: #c6c6c8;
}
.last {
  width: 100%;
  height: calc(100vh - 100px);
  background: #fff;
  box-sizing: border-box;
}
.last .form {
  list-style: none;
  padding: 0;
  width: 100%;
  padding: 0 10px;
  box-sizing: border-box;
  background: #fff;
  /* Mozilla Firefox 4 to 18 */
  /* Mozilla Firefox 19+ */
  /* Internet Explorer 10+ */
}
.last .form li {
  width: 100%;
  height: 60px;
  line-height: 60px;
}
.last .form li .iconfont {
  color: #cdd0d9;
  font-size: 12px;
  vertical-align: middle;
  margin-left: 15px;
}
.last .form li .add {
  display: inline-block;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border: 1px solid #d3d3d3;
  color: #d3d3d3;
  font-size: 20px;
  vertical-align: middle;
}
.last .form li .substr {
  display: inline-block;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border: 1px solid #d3d3d3;
  color: #d3d3d3;
  font-size: 20px;
  margin-left: 10px;
  vertical-align: middle;
}
.last .form li .sel {
  display: inline-block;
  border: 0 none !important;
  outline-style: none;
  vertical-align: middle;
  width: 60px;
  height: 40px;
  line-height: 40px;
  overflow-x: hidden;
  text-align: right;
}
.last .form li .sel select {
  border: 0 none !important;
  outline-style: none;
  width: 70px;
}
.last .form li .sel img {
  width: 12px;
  vertical-align: middle;
}
.last .form li .input {
  display: inline-block;
  width: calc(100% - 170px);
  vertical-align: middle;
}
.last .form li .input input {
  width: 100%;
  border: 1px solid #ddd;
  vertical-align: middle;
  height: 30px;
  line-height: 30px;
  border-radius: 5px;
  padding-left: 1em;
  font-size: 18px;
}
.last .form .label {
  display: inline-block;
  width: 60px;
  vertical-align: top;
}
.last .form input {
  display: inline-block;
  width: 240px;
  border: 0 none;
  border-bottom: 1px solid #ddd;
  outline-style: none;
  list-style: none;
  padding-bottom: 5px;
  vertical-align: middle;
}
.last .form input::-webkit-input-placeholder,
.last .form textarea::-webkit-input-placeholder {
  color: #e0dede;
}
.last .form input:-moz-placeholder,
.last .form textarea:-moz-placeholder {
  color: #e0dede;
}
.last .form input::-moz-placeholder,
.last .form textarea::-moz-placeholder {
  color: #e0dede;
}
.last .form input:-ms-input-placeholder,
.last .form textarea:-ms-input-placeholder {
  color: #e0dede;
}
.last .form .add {
  width: 100px;
  font-size: 20px;
}
.last .btn {
  width: 90%;
  margin: 0 auto;
  margin-top: 20px;
  border-radius: 5px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background: #367BF0;
  color: #fff;
  cursor: pointer;
}
.last {
  box-sizing: border-box;
}
